Progress against the field
From Rotterdam 2024 to Mechelen 2026, the field gained 8:09 on Jacqueline Bovenkerk.
Over the same races everyone got 10:27 quicker, so 2:18 faster on the clock looks better than it was.
327 days between Rotterdam 2024 and Rotterdam 2025 is the longest gap compared here, and the second race was 1:30 behind the field.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
10 races · 10 events
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Maastricht19 Sep 2026Doubles Open · Women1:26:32165/418Beat 61%
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Heerenveen14 May 2026Doubles Open · Women1:19:38 PB191/737Beat 74%
↑ 29 days after Rotterdam 2026, with Katleen Marien 0:53 better than the field Why ↓Close ↑
0:53 better than the field: 4:07 faster on the clock, against 3:14 faster for everyone.
The fieldCompare these two →3:14 faster This pair4:07 faster -
Rotterdam15 Apr 2026Doubles Open · Women1:23:45391/936Beat 58%
↑ 138 days after Utrecht 2025, with Katleen Marien 0:05 better than the field Why ↓Close ↑
3:35 faster on the clock, and the race was 3:30 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →3:30 faster This pair3:35 faster -
Mechelen26 Mar 2026Individual Open · Women1:35:20110/169Beat 35%
↑ 64 days after Amsterdam 2026 6:42 worse than the field Why ↓Close ↑
5:24 slower on the clock in a race that was 1:18 faster for everyone: 6:42 lost to the field.
The fieldCompare these two →1:18 faster This athlete5:24 slower -
Amsterdam21 Jan 2026Individual Open · Women1:29:56 PB499/1122Beat 56%
↑ 40 days after Gent 2025 0:34 better than the field Why ↓Close ↑
3:17 faster on the clock, and the race was 2:43 faster for everyone, so 0:34 of it was this athlete.
The fieldCompare these two →2:43 faster This athlete3:17 faster -
Gent12 Dec 2025Individual Open · Women1:33:13498/1009Beat 51%
↑ 251 days after Belgium 2025 2:04 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:34 faster on the clock looks better than it was: the race was 2:38 faster for everyone, which leaves this 2:04 behind the field.
The fieldCompare these two →2:38 faster This athlete0:34 faster -
Utrecht28 Nov 2025Doubles Open · Women1:27:20406/828Beat 51%
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Belgium5 Apr 2025Individual Open · Women1:33:47389/765Beat 49%
↑ 37 days after Rotterdam 2025 1:33 better than the field Why ↓Close ↑
1:33 better than the field: 3:11 faster on the clock, against 1:38 faster for everyone.
The fieldCompare these two →1:38 faster This athlete3:11 faster -
Rotterdam27 Feb 2025Individual Open · Women1:36:58284/506Beat 44%
↑ 327 days after Rotterdam 2024 1:30 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:40 faster on the clock looks better than it was: the race was 2:10 faster for everyone, which leaves this 1:30 behind the field.
The fieldCompare these two →2:10 faster This athlete0:40 faster -
Rotterdam6 Apr 2024Individual Open · Women1:37:38346/585Beat 41%